[R] reading header in txt file and making histogram

chuck.01 CharlieTheBrown77 at gmail.com
Mon Mar 26 07:56:17 CEST 2012


dbh is the column name.  What is the name of your data?
Lets assume your data is called "YOUR_DATA"

then try:

with(YOUR_DATA, hist(dbh))

OR

hist(YOUR_DATA$dbh)

OR

hist(YOUR_DATA[, "dbh"])

etc...






bamboohydraulics wrote
> 
> Dear all
> 
> I am a BEGINNER and have R on my Mac. I saved my excel file as .txt file,
> I have just one column with first row as the column name. My file when
> read by R looks like this. After reading the table I try to make a
> histogram by 
> hist(dbh), it says  object dbh not found. What am I doing wrong? thanks
>       dbh
> 1   11.53
> 2   16.05
> 3    7.36
> 4   16.05
> 5    8.66
> 6   12.74
> 7   22.93
> 8    7.55
> 9    5.10
> 10  21.34
> 11   0.32
> 12   9.71
> 13   0.00
> 14  15.92
> 15  11.85
> 16  14.43
> 17   4.59
> 18  14.43
> 19   7.99
> 20   2.61
> 21  23.69
> 22   6.05
> 23   9.87
> 24   4.90
> 25   3.18
> 26   3.82
> 27   0.00
> 28  12.10
> 29   5.22
> 30   6.37
> 31   6.50
> 32  10.83
> 33   3.63
> 34   2.93
> 35   3.60
> 36   5.89
> 37   3.63
> 38   2.55
> 39   2.96
> 40   3.69
> 41   5.57
> 42   0.00
> 43   7.07
> 44   5.48
> 45   9.55
> 46   3.44
> 47   0.00
> 48   0.00
> 49   3.69
> 50   2.48
> 51   3.38
> 52   2.64
> 53  12.10
> 54   3.34
> 55   0.00
> 56   4.52
> 57   6.59
> 58   9.65
> 59   9.01
> 60  12.93
> 61   0.00
> 62   4.24
> 63   9.75
> 64   4.39
> 65   2.90
> 66   6.85
> 67   9.08
> 68   5.54
> 69   6.02
> 70   7.64
> 71   6.85
> 72   0.00
> 73   3.12
> 74   6.75
> 75   4.24
> 76   2.32
> 77   2.58
> 78   2.55
> 79   8.60
> 80   0.00
> 81   0.32
> 82   2.23
> 83   3.98
> 84   6.05
> 85   7.64
> 86   3.03
> 87   0.00
> 88   9.27
> 89   0.00
> 90   0.00
> 91   3.92
> 92   0.00
> 93  20.54
> 94   8.41
> 95   0.00
> 96   2.10
> 97   0.00
> 98   0.00
> 99  13.79
> 100  5.22
> 101  9.43
> 102  6.31
> 103  4.11
> 104  0.00
> 105  0.00
> 106  6.15
> 107  3.41
> 108 14.01
> 109 15.67
> 110 17.20
> 111 20.00
> 112 11.43
> 113 10.35
> 114 10.29
> 115 13.18
> 116 10.61
> 117  0.00
> 118  0.32
> 119  0.00
> 120  7.01
> 121  1.97
> 122  4.52
> 123 19.14
> 124  3.50
> 125  2.99
> 126  3.18
> 127  1.82
> 128  3.18
> 129  6.02
> 130  4.04
> 131  2.61
> 132  2.48
> 133  2.71
> 134  2.68
> 135  1.82
> 136  2.52
> 137  6.72
> 138  2.61
> 139  2.74
> 140  3.15
> 141  3.25
> 142  3.22
> 143  3.44
> 144  4.01
> 145  4.97
> 146  6.15
> 147  9.62
> 148  2.87
> 149  5.83
> 150 17.90
> 151  3.18
> 152  3.54
> 153  2.99
> 154  4.62
> 155  6.85
> 156  0.00
> 157  5.83
> 158  4.49
> 159  2.74
> 160  6.82
> 161  6.82
> 162  4.94
> 163  5.83
> 164  6.02
> 165  0.96
> 


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